Earth Can't Cope, New Planets Needed

After its closest approach to Earth, Rosetta looked back and took a number of images using the OSIRIS Narrow Angle Camera (NAC). This particular image was acquired 15 November 2007 at 03:30 CET. The image is a colour composite of the NAC Orange, Green and Blue filters. At the bottom, the continent of Australia can be seen clearly.
(Image credit: ESA)

In their recent Living Planet Report for this year, the World Wildlife Federation is suggesting that this planet's resources won't be enough for us.

"The Earth’s biocapacity is the amount of biologically productive area – cropland, pasture, forest, and fisheries – that is available to meet humanity’s needs.

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Bill Christensen catalogues the inventions, technology and ideas of science fiction writers at his website, Technovelgy. He is a contributor to Live Science.